Finding the Fourth Proportional to 109,913.92, 151,700.16 and 62,182.08
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Solution
The fourth proportional to 109,913.92, 151,700.16 and 62,182.08 is: 85,821.99
Step by Step Solution
- Step 1: Write the proportion equation
109,913.92 : 151,700.16 = 62,182.08 : x - Step 2: Convert to fraction form
109,913.92/151,700.16 = 62,182.08/x - Step 3: Cross multiply
109,913.92x = 151,700.16 × 62,182.08 - Step 4: Simplify right side
109,913.92x = 9,433,031,485.13 - Step 5: Solve for x
x = 9,433,031,485.13/109,913.92 - Step 6: Final answer
x = 85,821.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.